CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM
We hereby consent to the incorporation by reference in this Registration Statement on Form S-3 of our report dated September 26, 2006, relating to the financial statements of Prentiss Properties Trust, which appears in Brandywine Operating Partnership, L.P.’s Current Report on Form 8-K/A dated September 26, 2006. We also consent to the reference to us under the headings “Experts” in such Registration Statement.
| /s/ PricewaterhouseCoopers LLP |
| Dallas, Texas |
| November 3, 2006 |